Growstone Growstone Gnat Nix! 9 Liter Bag (GPGC33CF)

Gnat Mix! controls gnats at different points of their lifecycle, therefore preventing adult emergence from hatching larvae and deterring females from laying eggs in the growing media. As a result, their lifecycle is interrupted, and its population significantly reduced.

Like all Growstone products, Gnat Mix! is made in the USA from 100% recycled glass.